Home / 12,290,628.60-18,435,942.90-4,202,883.90

Finding the Fourth Proportional to 12,290,628.60, 18,435,942.90 and 4,202,883.90

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Solution

The fourth proportional to 12,290,628.60, 18,435,942.90 and 4,202,883.90 is: 6,304,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,628.60 : 18,435,942.90 = 4,202,883.90 : x
  2. Step 2: Convert to fraction form
    12,290,628.60/18,435,942.90 = 4,202,883.90/x
  3. Step 3: Cross multiply
    12,290,628.60x = 18,435,942.90 × 4,202,883.90
  4. Step 4: Simplify right side
    12,290,628.60x = 77,484,127,595,729.31
  5. Step 5: Solve for x
    x = 77,484,127,595,729.31/12,290,628.60
  6. Step 6: Final answer
    x = 6,304,325.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.